jansing. she has been in newtown yesterday. according to "the washington post," six of the welfare deadliest mass shootings in this country's history had happened since 2007. i will start with a simple question here. why are these shootings taking even more victims it seems? >> well, they are taking more victims, number one, because we see shooters using semiautomatic weapons. most of the time you look at the mass shootings, probably in the last 15 to 30 years, it is either semiautomatic pistols, which normally have about 15, 16 rounds or high capacity. they could have 20 or they use assault rifles which, again, have 2035 rounds. so the shooters are going in and they are better armed and have high capacity weapons and they are obviously shooting to kill. in this case, the most innocent of those what do some of the shooters -- what are some of the traits they all have in common? >> well, you know, recently -- first of all, i want to be very quick to say we can't put everybody in the same pot. we can't lump them all together. we can't say they are all sociopaths, psychopaths. we can'